The Derwitzer Glider was a glider that was developed by Otto Lilienthal, a German pioneer of aviation who became known as the "flying man", and on which date, his glider stalled and he was unable to regain control?
9 August 1896
-1
Section::::Abstract.
Derwitzer Glider
1127795
-1
Section::::Abstract.
Otto Lilienthal
360887